Solve the problem.An object is thrown upward with an initial velocity of 13 ft per second. Its height is given by 
at time t seconds. After how many seconds does it hit the ground?
A. 4 sec
B. 5 sec
C. 6 sec
D. 2 sec
Answer: A
Mathematics
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Provide an appropriate response. After Alaska and Hawaii joined the union, the total land area of the United States changed from 2,963,680 square miles to 3,540,940 square miles. What was the percent of increase to the nearest hundredth percent?
A. 19.48% B. 1.19% C. 83.70% D. 119.48%
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Provide an appropriate response.In a promissory note, the person borrowing the money is called the maker.
A. True B. False
Mathematics
Multiply.(-2x6)(6x8)
A. -12x48 B. 12x14 C. -12x14 D. 12x48
Mathematics
Determine the equation of variation.
A. y = -x + 13
B. y = 
C. y = 12x
D. y = 
Mathematics